File:Cheyenne Mountain NORAD entrance 1968.jpg
![File:Cheyenne Mountain NORAD entrance 1968.jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/d/db/Cheyenne_Mountain_NORAD_entrance_1968.jpg/475px-Cheyenne_Mountain_NORAD_entrance_1968.jpg)
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Original file (3,008 × 3,793 pixels, file size: 3.2 MB, MIME type: image/jpeg)
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 05:32, 11 July 2010 | ![]() | 3,008 × 3,793 (3.2 MB) | Tdrss | NORAD blast doors, Cheyenne Mountain, Colorado. USAF photo. URL: https://www.cheyennemountain.af.mil {{PD-USGov}} Category:North American Aerospace Defense Command |
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